Quote Originally Posted by sirina View Post
Thanks for the advice, but since I am very new at growing orchids I need lots of advice. Can I spray it on the leaves and on the roots? I have a very sick cattleya and I do not want it do die. Please help me.

sirina
If you are speaking of Physan 20 and it relatives, yes spray it everywhere... In fact, I use it as a dipping solution when I transplant my phals. Can't speak to any of the other items mentioned in this thread.